help..(indian student)

hi everyone…my academic results are(india)-
XII cbse-95.4
X icse-95.4

  1. scholarship for higher education by ministry of science and technology,Govt of India
  2. 0.1 percentile certificate in chemistry by cbse

does any1 know what are my chances of getting admission into nus, ntu or hkust?
do extra-curricular activities and stuff really matter or admission is based purely on academic results?

what do 1 need for a scholarship in hkust?